حسن غ. .; بايرلي م. . The relationship between the King al-Kamil of Ayyubid and Emperor Frederick II )H /1226-1229 AD-624-626(. Tishreen University Journal- Arts and Humanities Sciences Series, [S. l.], v. 43, n. 2, 2021. Disponível em: https://journal.tishreen.edu.sy/index.php/humlitr/article/view/10504. Acesso em: 9 may. 2024.